Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

Any sufficiently advanced technology is indistinguishable from magic.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

Better know nothing than half-know many things.

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

The deepest sin against the human mind is to believe things without evidence.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

Dare to think for yourself.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

Learning never exhausts the mind.

What we know is a drop, what we don't know is an ocean.

Men are born ignorant, not stupid. They are made stupid by education.

Books are as useful to a stupid person as a mirror is useful to a blind person.

My weapon is literature

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

Reading is to the mind what exercise is to the body.

I am a part of everything that I have read.